Web Information Extraction Technology Research Based on Ajax

2011 International Conference on Business Computing and Global Informatization Pub Date : 2011-07-29 DOI:10.1109/BCGIN.2011.60

Zhang Hengru, Cui Chun

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引用次数: 4

Abstract

Along with the rapid development of Internet, research of information extraction in the field has been extensive concerned by scholars. However, with the widely application of Web2.0, the traditional web information extraction technology can't meet the needs of users. The traditional web information extraction is mainly directed against the static HTML pages, while it is powerless with the dynamic web page which contains Ajax. So, how to efficiently extract information in dynamic web pages becomes one of a difficult problem in the information extraction field. In this paper, a method about web information extraction based on Ajax is proposed through the thorough investigation into the traditional Web information extraction. Compared with the traditional web information extraction technology, its advantage is embedded with a dynamic web processing engine in the process of DOM (Document Object Model) tree produce. The engine will be used exclusively to analytic the dynamic web pages for the DOM tree and real-time update the DOM tree. Experimental results show that, this method can better extract information of dynamic web pages.

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基于Ajax的Web信息提取技术研究

随着互联网的快速发展，信息抽取领域的研究受到了学者们的广泛关注。然而，随着Web2.0的广泛应用，传统的web信息提取技术已经不能满足用户的需求。传统的web信息提取主要针对静态HTML页面，而对于包含Ajax的动态web页面则无能为力。因此，如何有效地提取动态网页中的信息成为信息提取领域的难题之一。本文在深入研究传统web信息提取方法的基础上，提出了一种基于Ajax的web信息提取方法。与传统的web信息提取技术相比，其优势在于在DOM (Document Object Model，文档对象模型)树形生成过程中嵌入动态web处理引擎。该引擎将专门用于分析动态网页的DOM树，并实时更新DOM树。实验结果表明，该方法能较好地提取动态网页信息。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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2011 International Conference on Business Computing and Global Informatization

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